/Engine/Source/Editor/MovieSceneTools/Public/MovieSceneDirectorBlueprintEndpointCustomization.h
Called when a payload variable property value is changed on the details panel
void OnPayloadVariableChanged ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FStructOnScope](API\Runtime\CoreUObject\UObject\FStructOnScope) > InStructData, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) > LocalVariableProperty )